public class Main {
    public static void main(String[] args) {
        Overload2 overload = new Overload2(12);
        Overload2 overload1 = new Overload2(11, 12.5f);
        Overload2 overload2 = new Overload2(10, 12.5f, 'c');
        System.out.println(overload.toString());
        System.out.println(overload1.toString());
        System.out.println(overload2.toString());
    }
}